Pelvic PainThe pelvis is either the lower part of the trunk, between the abdomen and the thighs, or the skeleton embedded in it.

Sciatic PainThe sciatic nerve is a large nerve in humans and other animals. It begins in the lower back and runs through the buttock and down the lower limb.

Spinal Curvature or PressureSpinal curvature is when there's abnormal lateral curvature of the spine.

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Delivery Time: 4 weeks

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RH Activ 202 Small backrest with medium seat.

RH Activ follows all your movements, so that you sit flexibly and actively, while your lower back is always supported – which is both comfortable and ergonomically correct. The secret is the Active Movement System (AMS) that creates a free-float, ergonomic pattern of movement that is unique to RH Activ. The position of the lever ensures ease of use while sitting in the chair.

RH Activ is ideally suited for today’s modern office environments. Its simple adjustments also make it suitable as a multi-user chair. The chair is available in three sizes. There is considerable scope for adding to the basic models in order to personalise the chair, so that it suits you.

The RH Activ range can be fitted with a range of specialist options. Delivery times may be extended on special requirements.

Adaptations – Industrial/Draughtsman
RH Activ can be adapted to a number of different work environments including draughtsman’s base, reinforced seat and back, and industrial modifications such as ESD. (See Industrial Seating)

CHAIR MECHANISM - Free Float Rocking Movement

The Active Movement System (AMS) creates a free-float, ergonomic pattern of movement that is unique to RH Activ. single lever operation makes this ideal for multi-user environments where you need movement and flexibility at your finger tip.

The Active Movement System adapts to you from the moment you sit down. The movement of the backrest on free-float adapts to your body weight allowing for constant support which follows your body's movements.

What is the difference between the Activ and the Logic range?

Aside from some small differences in the dimensions, the key difference is found in the mechanism. Whilst the activ has what is more often than not called a 'synchronous' mechanism where the backrest moves independently of the seat pad in free float mode, the Logic has a fixed angle between the backrest and seat pan in free float mode. Both chairs offer excellent posture support, and both chairs offer something different.